{"product_id":"southwire-400-ft-12-2-solid-romex-type-nm-b-wg-non-metallic-wire","title":"Southwire 400 ft. 12\/2 Solid Romex Type NM-B WG Non-Metallic Wire","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSouthwire 400 ft. 12\/2 Solid Romex Type NM-B WG Non-Metallic Wire\u003c\/strong\u003e is a purpose-built indoor wiring solution that combines durable construction with practical long-run efficiency. Featuring solid 12-gauge copper conductors, this NM-B cable delivers reliable current flow for standard residential circuits while simplifying installation in walls, attics, and other dry indoor spaces.\u003c\/p\u003e \u003ch3\u003eWhat makes this NM-B stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSolid 12-gauge copper conductors\u003c\/strong\u003e provide sturdy performance for 20-amp circuits, minimizing voltage drop over longer runs and easing pull-through in tight spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo insulated conductors plus copper ground\u003c\/strong\u003e give you a complete, code-ready circuit for outlets and lighting throughout the home.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePVC insulation with a Nylon jacket\u003c\/strong\u003e delivers a tough, abrasion-resistant layer designed for indoor use while maintaining flexibility during installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlame-retardant jacket\u003c\/strong\u003e adds an extra safety margin in the event of heat exposure, helping you meet safety standards on residential jobs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e aligns with typical household electrical requirements, ensuring suitability for standard power distribution tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUL Listed\u003c\/strong\u003e for dependable, recognized safety and compliance in residential projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect Burial: Yes\u003c\/strong\u003e paired with indoor applicability provides added versatility, though always follow local codes and installation guidelines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400 ft spool\u003c\/strong\u003e minimizes the need for frequent splices, making it ideal for longer runs across rooms or open spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBright yellow jacket\u003c\/strong\u003e enhances visibility on site, helping you identify circuit runs quickly during installation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eDesigned for residential wiring where a single, uninterrupted 12\/2 NM-B run supports a 20-amp circuit for outlets and lighting. The solid copper construction aids in reliable termination and consistent performance in wall, ceiling, and attic installations. This cable is especially advantageous for projects that require fewer connections and quicker pull-through in dry indoor environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eNew construction or major remodels that require code-compliant branch circuits for living spaces, kitchens, and bathrooms.\u003c\/li\u003e \u003cli\u003eIndoor residential installations where long runs reduce the number of joints and connectors.\u003c\/li\u003e \u003cli\u003eProjects that benefit from a long 400 ft spool to cover extensive interior layouts without frequent splicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation considerations and tips\u003c\/h3\u003e\n\u003cp\u003ePlan routes to minimize sharp bends and protect the cable from potential damage behind walls and along framing. Use appropriate staples and protective plates where the cable runs through studs or near surfaces. While the product notes Direct Burial: Yes, NM-B is typically installed indoors in dry locations; verify local codes and installation practices for any underground or mixed-use scenarios. Adhere to the \u003cem\u003e90°C\u003c\/em\u003e temperature rating for normal residential loads to maintain insulation integrity, and ensure proper grounding with the copper ground conductor for a safe, reliable electrical system.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConductor: 12 AWG solid copper\u003c\/li\u003e \u003cli\u003eConductors: 2 (12\/2) with ground\u003c\/li\u003e \u003cli\u003eJacket: Nylon; Insulation: PVC\u003c\/li\u003e \u003cli\u003eAmp rating: 20A; Voltage rating: 600V\u003c\/li\u003e \u003cli\u003eTemperature rating: 90°C\u003c\/li\u003e \u003cli\u003eUL Listed: Yes\u003c\/li\u003e \u003cli\u003eDirect burial: Yes\u003c\/li\u003e \u003cli\u003eLength: 400 ft\u003c\/li\u003e \u003cli\u003eColor: Yellow\u003c\/li\u003e \u003cli\u003eApplication: Indoor use; wet location: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Southwire","offers":[{"title":"Default Title","offer_id":52274851479826,"sku":"3236197","price":2.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/3236197_A.eps_High.jpg?v=1778869621","url":"https:\/\/nationalhardwaregroup.com\/products\/southwire-400-ft-12-2-solid-romex-type-nm-b-wg-non-metallic-wire","provider":"National Hardware Group","version":"1.0","type":"link"}